ca.uhn.fhir.util.rdf.RDFUtil Maven / Gradle / Ivy
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* HAPI FHIR - Core Library
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* Copyright (C) 2014 - 2024 Smile CDR, Inc.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* http://www.apache.org/licenses/LICENSE-2.0
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package ca.uhn.fhir.util.rdf;
import org.apache.jena.rdf.model.Model;
import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.riot.Lang;
import org.apache.jena.riot.RDFDataMgr;
import java.io.Reader;
import java.io.Writer;
public class RDFUtil {
public static Model initializeRDFModel() {
// Create the model
return ModelFactory.createDefaultModel();
}
public static Model readRDFToModel(final Reader reader, final Lang lang) {
Model rdfModel = initializeRDFModel();
RDFDataMgr.read(rdfModel, reader, null, lang);
return rdfModel;
}
public static void writeRDFModel(Writer writer, Model rdfModel, Lang lang) {
// This writes to the provided Writer.
// Jena has deprecated methods that use a generic Writer
// writer could be explicitly casted to StringWriter in order to hit a
// non-deprecated overload
RDFDataMgr.write(writer, rdfModel, lang);
}
}